We can find very often a computer in amateur astronomy. Many users do their own software programming for their special application. So do I for my special field of interest CCD astronomy.

Skygazer's Almanac for Windows (Attention: 130 MB in size and in German language!)

Ephemeris calculation for Windows (1,2 MB)

LX200 control software (258 k)

If you like the shareware please register. All freeware may be distributed unchanged.